Datasheet > DS2148T+

DS2148T+

更新时间： 2024-09-27 02:50:43

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
73页	1129K
描述
5V E1/T1/J1 Line Interface Unit

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中文翻译

获取价格

数据手册
替代型号

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DS2148T+ 数据手册

DS2148/DS21Q48

5V E1/T1/J1 Line Interface Unit

www.maxim-ic.com

PIN CONFIGURATION

FEATURES

ꢀ Complete E1, T1, or J1 Line Interface Unit

(LIU)

TOP VIEW

ꢀ Supports Both Long- and Short-Haul Trunks

ꢀ Internal Software-Selectable Receive-Side

Termination for 75Ω/100Ω/120Ω

DS2148

ꢀ 5V Power Supply

ꢀ 32-Bit or 128-Bit Crystal-Less Jitter

Attenuator Requires Only a 2.048MHz

Master Clock for Both E1 and T1 with

Option to Use 1.544MHz for T1

ꢀ Generates the Appropriate Line Build-Outs,

With and Without Return Loss, for E1 and

DSX-1 and CSU Line Build-Outs for T1

ꢀ AMI, HDB3, and B8ZS, Encoding/Decoding

ꢀ 16.384MHz, 8.192MHz, 4.096MHz, or

2.048MHz Clock Output Synthesized to

Recovered Clock

44 TQFP

DS2148

ꢀ Programmable Monitor Mode for Receiver

ꢀ Loopbacks and PRBS Pattern Generation/

Detection with Output for Received Errors

ꢀ Generates/Detects In-Band Loop Codes, 1 to

16 Bits including CSU Loop Codes

ꢀ 8-Bit Parallel or Serial Interface with

Optional Hardware Mode

49 CSBGA

(7mm x 7mm)

See Section

for 144-pin CSBGA pinout.

ORDERING INFORMATION

ꢀ Multiplexed and Nonmultiplexed Parallel

Bus Supports Intel or Motorola

TEMP

PIN-

PART

CHANNEL

RANGE

PACKAGE

DS2148TN

DS2148TN+

DS2148T

DS2148T+

DS2148GN

DS2148G

DS2148G+

DS21Q48N

DS21Q48

Single

Four

44 TQFP

49 CSBGA

144 CSBGA

-40°C to +85°C

0°C to +70°C

-40°C to +85°C

0°C to +70°C

-40°C to +85°C

0°C to +70°C

ꢀ Detects/Generates Blue (AIS) Alarms

ꢀ NRZ/Bipolar Interface for Tx/Rx Data I/O

ꢀ Transmit Open-Circuit Detection

ꢀ Receive Carrier Loss (RCL) Indication

(G.775)

ꢀ High-Z State for TTIP and TRING

ꢀ 50mA (RMS) Current Limiter

Four

+ Denotes lead-free/RoHS-compliant package.

Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device

may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.

1 of 73

REV: 011206

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中文翻译

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DS2148T+ 替代型号

型号	品牌	替代类型	描述	数据表
DS2148T	MAXIM	完全替代	5V E1/T1/J1 Line Interface Unit
DS21348T+	MAXIM	类似代替	PCM Transceiver, 1-Func, PQFP44, 10 X 10 MM, 1 MM HEIGHT, ROHS COMPLIANT, TQFP-44

与DS2148T+相关器件

型号	品牌	获取价格	描述	数据表
DS2148TA2	ROCHESTER	获取价格	DATACOM, PCM TRANSCEIVER, PQFP44, 10 X 10 MM, 1 MM HEIGHT, TQFP-44
DS2148TC1	MAXIM	获取价格	PCM Transceiver, 1-Func, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, TQFP-44
DS2148TN	DALLAS	获取价格	5V E1/T1/J1 Line Interface
DS2148TN	ROCHESTER	获取价格	DATACOM, PCM TRANSCEIVER, PQFP44, 10 X 10 MM, 1 MM HEIGHT, TQFP-44
DS2148TN	MAXIM	获取价格	5V E1/T1/J1 Line Interface Unit
DS2148TN+	MAXIM	获取价格	5V E1/T1/J1 Line Interface Unit
DS2148TNB	MAXIM	获取价格	PCM Transceiver, 1-Func, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, TQFP-44
DS2148TNC	MAXIM	获取价格	PCM Transceiver, 1-Func, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, TQFP-44
DS2148TN-W	MAXIM	获取价格	PCM Transceiver, 1-Func, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, TQFP-44
DS2149	MAXIM	获取价格	5V T1/J1 Line Interface Unit

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